Home / 94,090.90-129,841.50-51,650.42

Finding the Fourth Proportional to 94,090.90, 129,841.50 and 51,650.42

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Solution

The fourth proportional to 94,090.90, 129,841.50 and 51,650.42 is: 71,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,090.90 : 129,841.50 = 51,650.42 : x
  2. Step 2: Convert to fraction form
    94,090.90/129,841.50 = 51,650.42/x
  3. Step 3: Cross multiply
    94,090.90x = 129,841.50 × 51,650.42
  4. Step 4: Simplify right side
    94,090.90x = 6,706,368,008.43
  5. Step 5: Solve for x
    x = 6,706,368,008.43/94,090.90
  6. Step 6: Final answer
    x = 71,275.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.